EP1317596B1 - Motor vehicle doorlock with combined central locking and opening actuator - Google Patents

Motor vehicle doorlock with combined central locking and opening actuator Download PDF

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Publication number
EP1317596B1
EP1317596B1 EP01974009A EP01974009A EP1317596B1 EP 1317596 B1 EP1317596 B1 EP 1317596B1 EP 01974009 A EP01974009 A EP 01974009A EP 01974009 A EP01974009 A EP 01974009A EP 1317596 B1 EP1317596 B1 EP 1317596B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
vehicle door
lock
door lock
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01974009A
Other languages
German (de)
French (fr)
Other versions
EP1317596A1 (en
Inventor
Bernardo Erices
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brose Schliesssysteme GmbH and Co KG
Original Assignee
Brose Schliesssysteme GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10139975A external-priority patent/DE10139975A1/en
Application filed by Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP1317596A1 publication Critical patent/EP1317596A1/en
Application granted granted Critical
Publication of EP1317596B1 publication Critical patent/EP1317596B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/02Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04Electrical
    • E05B81/06Electrical using rotary motors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/12Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/12Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/90Manual override in case of power failure
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/01Mechanical arrangements specially adapted for hands-free locking or unlocking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/23Vehicle door latches
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/1043Swinging
    • Y10T292/1044Multiple head
    • Y10T292/1045Operating means
    • Y10T292/1047Closure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/1043Swinging
    • Y10T292/1075Operating means
    • Y10T292/1082Motor

Definitions

  • the present invention relates to a motor vehicle door lock with a combined Monel- and ⁇ Stammsantrieb with the features of the preamble of claim 1.
  • motor vehicle door lock is to be understood comprehensively, not only side door locks and rear door locks, but, for example, also tailgate locks are covered.
  • the known motor vehicle door lock from which the invention proceeds (EP 0 710 755 B1) initially has the usual closing elements in the form of a latch and a lock latch in the closed position locking pawl and a lock mechanism with a plurality of cooperating and the closing elements, if necessary, actuated elements ,
  • To the elements of the lock mechanism includes a by hand from an outside door handle o. The like.
  • To be actuated external actuating element in the form of a toggle lever which can actuate the pawl via a coupling element in the form of a pivotable and longitudinally displaceable lever in the engaged position. In disengaged, namely swung out of a driving lug in a free chnitted position of the coupling element, the external actuating element performs an idle stroke.
  • the coupling element is moved by an adjusting element from the engaged in the disengaged position, by motor actuation of the adjusting element by means of a central locking drive.
  • the central locking drive is operated again in the same operating direction the return of the adjustment takes place under spring force to its original position in the manner of a ballpoint pen mechanism and thus the return of the coupling element from the disengaged position in the engaged position.
  • the central venous valve drive has the function of an opening drive, namely actuates the pawl. Between the pawl and the central locking drive can be provided for this purpose, an additional triggering element.
  • the central locking drive has a drivable in two directions drive element in the form of a drive pinion, which meshes with a toothed segment on the adjusting element. In one direction, the drive element actuates the adjusting element, both engaging and disengaging, in the other direction, the trigger element and the closing element.
  • the spring-loaded ballpoint pen mechanism of the known motor vehicle door lock can also be configured with proper coordination of paths and spring forces, that the clutch located in the disengaged position coupling element is actuated by a motor actuation of the adjusting element in one of the engaged position storage position is adjustable with actuated external actuator, from the Clutch element is automatically displaced in the engaged position upon the termination of the operation of the external actuating element, and indeed, as explained, under the action of the spring force of a spring element. This ensures that you can unlock this motor vehicle door lock motor even if at the same time already an opening operation is done from the outside, the external actuating element has been pressed.
  • the engaged position ie the unlocked position, is stored here under spring force and automatically taken by release of the external actuating element under spring force. This is called a "comfort function".
  • the well-known, previously explained motor vehicle door lock is basically designed as an electric lock, namely, it is in normal operation only motor openable. Only in emergency mode it is mechanically openable by manual operation of the external actuating element.
  • the motor vehicle door lock When fitting an electric lock with a "passive entry” function, also called “electronic key", the motor vehicle door lock can be automatically unlocked when approaching the motor vehicle, without a keystroke on a remote control module o. The like.
  • a motor vehicle door locking system with passive entry function requires a certain reaction phase for the control electronics.
  • the duration of the reaction phase is perceived as long compared to conventional motor vehicle door locking systems.
  • the pulling of the outside door handle may in fact already take place if the reaction of the control electronics has not yet been completed.
  • the operator then becomes angry that she has to pull the door handle a second time because she interprets this as a "malfunction".
  • There are therefore various attempts to somehow conceal or shorten the resulting total time of the reaction (DE 195 21 024 A1, DE 197 52 974 A1).
  • a similar problem occurs even if a passive-entry function is not set up, for example, when a passenger tries to open the passenger door from the outside, although there the central locking drive has not yet shifted the coupling element in the engaged position (unlocked position).
  • the teaching is therefore based on the problem, the known, initially explained motor vehicle door lock in such a way that it works mechanically in principle, but nevertheless takes place in each case a fast opening.
  • an opening operation is normally performed mechanically only from the outside door handle. So it is so far a purely mechanical motor vehicle door lock.
  • the central locking drive has received its second function of the opening drive anyway, namely, when the outside door handle has been pulled or pressed faster than the control electronics for controlling the central locking drive and the central locking drive could react itself, which occur especially in the realization of the passive entry function can, regardless of the opening operation of the outside door handle to realize an electric opening.
  • the central locking drive in the second function is effective and actuates the trigger element or the closing element as a motorized opening drive.
  • the electric opening of the motor vehicle door lock is thus only when the operator operated the outside door handle faster than the motor, especially electromotive unlocking mechanism could react.
  • a second operation of the outside door handle is not required because the door opens by itself.
  • the motor vehicle door lock is in one piece, so realized in a unit closing elements and lock mechanism and possibly lock electronics, or in two parts with one part the closing elements in a clamping unit, on the other hand, the lock mechanism and if necessary the lock electronics in one of them spatially separated control unit.
  • the latter is also known from the prior art (DE 44 44 581 A1) with the advantage that the humidity-sensitive control unit in the dry room of a motor vehicle door and only the less moisture sensitive closing unit is arranged with the mechanical closing elements in the wet room of the vehicle door.
  • Typical connecting elements for power transmission here are Bowden cables.
  • the motor vehicle door lock 1 shown schematically in Fig. 1 in a perspective view is shown using the example of a motor vehicle side door lock. Also rear door locks, sliding door locks, flap locks, etc. are covered by the concept of the door lock.
  • Such a motor vehicle door lock 1 is part of a motor vehicle door locking system in which the various motor vehicle locks for motor vehicle doors and motor vehicle doors are motorized, preferably electric motor, unlockable and lockable.
  • the control electronics of such a motor vehicle door closing system can have the passive entry function explained in the general part of the description.
  • the illustrated motor vehicle door lock 1 is tuned in a special way to the boundary conditions in the realization of a passive entry function. As has already been stated in the general part of the description, however, the teaching is also important in a normal remote-controlled motor vehicle door lock 1 with a motor-operated central locking drive.
  • Fig. 1 shows first the motor vehicle door lock 1 with a lock mechanism with a plurality of interacting elements.
  • a hand operated by an outside door handle, force action direction indicated by the arrow 2 from to be actuated external actuating element 3 in the form of a pivotably mounted on a bearing axis 4 external actuating lever.
  • the external actuating element 3 is loaded against the direction of force 2 by a biasing spring, not shown.
  • the external actuating element 3 thus returns under spring force when releasing the outside door handle in its starting position shown in Fig. 1.
  • the coupling element 5 is designed dumbbell-shaped in the illustrated embodiment with a pivot axis 6 and a coupling pin 7. This will be explained in more detail below.
  • a closing element 8 in the form of a pawl.
  • the associated, held by the pawl - closing element 8 - in the closed position lock latch 9 can be seen in Fig. 1 in the closed position. It is, as usual, designed as a rotary latch with a bearing axis 10, without this being limiting.
  • the external actuating element 3 actuates the closing element 8 via the coupling element 5; in the disengaged position of the coupling element 5, the external actuating element 8 executes an idle stroke when the outside door handle is pulled.
  • the disengaged position is shown in FIG. 1.
  • the coupling element 5 is displaceable in the non-actuated external actuating element 3 by a motor-operated adjusting element 11 from the engaged position to the disengaged position and vice versa.
  • a motor-operated adjusting element 11 For the motor actuation of the adjusting element 11 is a central locking drive 12. This has in the illustrated embodiment, indicated in Fig. 1, an electric drive motor 13 and a worm gear 14 on. Other embodiments are known and usable in the prior art.
  • the central locking drive 12 can actuate the closing element 8. How this happens is explained in more detail below.
  • the central locking drive 12 actuates the closing element 8 in the second function only when the external operating element 3 is already in the idle stroke in this phase, that is, has been mechanically actuated so quickly that the coupling element 5 has not yet reached the engaged position.
  • an operator is laminated, that the immediately following opening of the motor vehicle door lock 1 is not done by the mechanical operation with pulling the outside door handle, but was carried out electrically in the second function by the central locking drive 12.
  • This function only occurs in exceptional cases. In the normal case, if sufficient time is available for actuating the adjusting element 11 by the central locking drive 12 in the first function, the subsequent opening operation of the motor vehicle door lock 1 takes place in a classical manner purely mechanically.
  • the central locking drive 12 has a drivable in two directions drive element 15, in particular in the form of a drive pinion or a drive eccentric which actuates the adjusting element 11 in one direction and actuates the trigger element or the closing element 8 in the other, opposite direction.
  • the illustrated and so far preferred embodiment is a different way, namely that the central locking drive 12 has a drivable in two directions drive element 15, in particular in the form of a drive pinion or a drive eccentric, in one direction, the adjusting element 11 in the direction of Wegk-uppelten position and the triggering element or the closing element 8 is actuated and actuated in the other, opposite direction, the adjusting element 11 in the direction of the disengaged position and the closing element 8 releases. It thus has a direction equal operation of the adjusting element 11 in the direction of the engaged position and the closing element 8 in the opening direction (lifting the pawl).
  • the illustrated embodiment shows the drive element 15 in principle designed as a drive pinion, but degenerated into a dental arch, because only a pivoting over a relatively small angular range in both directions is required here.
  • the illustrated embodiment shows, as far as can be clearly seen from a comparison of Fig. 2 and Fig. 3 that here still the "comfort function" explained above is realized.
  • This is achieved in that the coupling element 5 located in the disengaged position is adjustable with actuated external actuating element 3 by a motor actuation of the adjusting element 11 in one of the engaged position storage position (shown in Fig. 3), from which the coupling element 5 in the absence of actuation the external actuating element 3 is automatically displaced into the engaged position (shown in FIG. 2).
  • the latter is preferably done under the force of a biasing spring acting in the illustrated embodiment on the coupling element 5 in the clockwise direction, which is not shown separately here.
  • the storage position which is preceded by the engaged position, is defined in the illustrated embodiment by a lock 3 'on the external actuating element 3, which prevents in befindlichem in idle stroke external actuating element 3, that the coupling element 5 is incident in the engaged position.
  • the coupling pin 7 is under the spring force of the biasing spring, not shown, acting clockwise on the lock 3 '. If the external actuating element 3 has returned to its initial position, the path for the coupling pin 7 is free in the engaged position.
  • a particularly expedient, shown in the drawing construction is characterized in that the Drive element 15 is connected to a pivot arm 16 which pivots on actuation of the drive element 15 in one direction about a pivot axis 17 such that its free end meets the trigger element or the closing element 8 and actuates this, if the coupling element 5 is not in the engaged position, and runs freely, provided that the coupling element 5 is in the engaged position.
  • the coupling pin 7 is not on the coupling element 5 between the pivot arm 16 and closing element 8.
  • the pivot arm 16 can pivot relatively far in a clockwise direction without affecting the pawl - closing element 8.
  • the adjusting element 11 as on the pivot arm 16 at a distance from the pivot axis 17 mounted (pivot axis 11 ') lever is executed, the pivoting of the Swivel arm 16 about the pivot axis 17 performs a substantially linear adjustment movement.
  • the drive movement of the drive element 15 is thus implemented on the one hand in a pivoting movement of the pivot arm 16, on the other hand leads to a displacement of the adjusting element 11 for the purpose of adjustment of the coupling element 5.
  • the central locking drive 12th only runs in one direction (and returns to the starting point against this direction).
  • the coupling element 5 is executed in the illustrated embodiment as pivotally mounted on the adjusting element 11, one end running in a slot 18 with the coupling pin 7 lever.
  • the gate 18 is formed in the adjusting element 11 arcuate (bean-like), right next to this gate 18 is the pivot axis 6 of the coupling element fifth
  • the coupling element 5 forming the lever is spring-loaded to the engaged position of the facing end of the link 18 back, by a biasing spring, not shown here.
  • FIG. 1 to 3 also make it clear that in the illustrated and insofar preferred embodiment, an actuating arm 19 of the closing element 8 and an actuating arm 20 of the external actuating element 3 form an open slot 21, in which the coupling pin 7 of the coupling element 5 is immersed in the engaged position and not immersed in disengaged position.
  • the engaged position is shown in FIG. 2, the disengaged position is shown in FIG. 1.
  • the second function for the central locking drive 12 is thereby realized that the actuating arm 19 of the closing element 8 extends beyond the open end of the slot 21 and the pin 7 of the coupling element 5 in disengaged position or possibly in the storage position in front of this actuating arm 19th stands. Even then, the power transmission to the closing element 8 - pawl - done, but only from the pivot arm 16 of the central locking drive 12. In contrast, the coupling pin 7 deviates during normal operation by hand upwards into the slot 21, the pivot arm 16 is now ineffective, but the external actuating element 3 acts via the actuating arm 20.
  • the part immersed in the slot 21 need not be a pin 7.
  • This part 7 of the coupling element 5 may also have many other forms, for example, be integrally formed on the coupling element 5.
  • Fig. 3 shows the central locking drive 12 below the closing element 8 and the rotary latch 9.
  • this arrangement builds relatively high overall.
  • the external actuating element 3 is mounted on the bearing axis 4, on which the closing element 8 is mounted.
  • Fig. 4 shows an embodiment, which initially differs from the previously described embodiment in that the central locking drive 12 has been moved upwards, approximately to the height of the closing element 8. This makes the overall structure of the motor vehicle door lock 1 at least in height (relative to the drawing plane) more compact.
  • the existing in the first embodiment adjustment element 11 is omitted.
  • the coupling element 5 is mounted directly on the drive element 15.
  • the coupling element 5 itself is limited relative to the drive member 15 relative movable, in that it is designed as running on the drive element 15 in a link 18 lever which is spring-loaded to the engaged position of the facing end of the link 18 in the drive element 15 out.
  • Fig. 4 shows the Fig. 1 corresponding position in this embodiment, ie the locking position, the coupling element 5 so in the disengaged position.
  • the lock 3 on the outer actuating element 3 would in this position in the idle stroke on the coupling pin 7 of the coupling element 5 significantlyschwenken, this coupling pin 7 would stop before the actuating arm 19 of the closing element 8.
  • the indicated pivot arm 16, however, would meet in this position even with persistent coupling element 5 (deflected against spring force) on the pin 7 and move over this the actuating arm 19.
  • Fig. 5 shows the lower portion of the external actuating element 3 with the lock 3 'in a fragmentary side view. It can be seen that the external actuating element 3 'to the formation of the lock 3' is "cranked" and protrudes with the lock 3 'in the movement path of the coupling pin 7. In the position shown in Fig. 4, as shown in FIG. 5, the lock 3 'relative to the coupling pin 7 offset downward, the coupling pin 7 is not hit. However, if the coupling pin 7 laid down, so he enters the lock 3 'and this can then cause the transmission of force to the actuating arm 19 of the closing element 8 with the interposition of the coupling pin 7.
  • FIGs 6 and 7 show an embodiment in which the motor vehicle door lock is made in two parts.
  • This concept is already known from the prior art (DE 44 44 581 A1) and allows to accommodate the moisture-sensitive components of the motor vehicle door lock in the drying room of a motor vehicle door and to leave only the less moisture-sensitive closing elements in the wet room.
  • Fig. 6 shows the closing elements, namely pawl 8 and lock catch 9, in a mechanical closing unit 22, which sits in the usual place on the front plate of the vehicle door and is preferably protected against moisture from outside and inside as good as possible.
  • the remaining elements of the motor vehicle door lock, in particular so the lock mechanism and any existing lock electronics are summarized in a spaced from the clamping unit 22 control unit 23.
  • the control unit 23 is located on the inside of the partition wall between the wet room and the drying room in the dry space of the vehicle door.
  • the closing unit 22 is connected to the control unit 23 by means of a mechanical removal force transmission means 24.
  • This power transmission means 24 is already preferred in the prior art, a Bowden cable. This is also the case in the illustrated embodiment. Thus, the laying of the mechanical power transmission means 24 from the drying room in the wet room is best carried out. In principle, of course, other power transmission means 24, for example rods with or without lever can be used.
  • Fig. 7 shows a control unit 23 of the preferred embodiment of a motor vehicle door lock according to the invention.
  • the above-mentioned individual elements of the lock mechanism in this control unit 23 are identified with the same reference numerals as in the previously explained embodiment. It is indicated that in a plane behind the plane shown in the housing 25 of the control unit 23 is a lock electronics.
  • Fig. 6 still has a Bowden cable 26 for attacking a lock cylinder on Adjusting element 11 (ZV-safety lever) and a second electric drive motor 27 and a separate worm wheel 28 having theft-securing drive. This shifts an anti-theft pin 29 in an angular slot of an internal operating lever 30, which in turn is connected by means of another Bowden cable 31 to a door inside handle. Also for this basic design may be made to the state of the art.
  • the realization of the teaching of the present invention has a certain function of the motor vehicle door lock result, which is independent of whether the motor vehicle door lock is made in one piece or in two parts. Even with the bipartite, the power transmission ratios can be realized by Bowden cables, etc.
  • control unit 23 With a suitable arrangement of the control unit 23, in particular in the vicinity of the door hinges in the motor vehicle door or flap, the control unit 23 is exposed to therein shock-sensitive lock electronics of a lower mass acceleration than previously on the hinge point far edge of the vehicle door.
  • the two-part design allows, on the one hand, the closing unit 22, on the other hand, the control unit 23 block-like, so no longer, as in integrated design, L-shaped execute. This makes it possible to better exploit the space in the motor vehicle door or flap.
  • the combination with a corresponding inner handle assembly allows an emergency lock directly to the control unit 23 from the inside.
  • control electronics can detect whether only unlocked or whether the motor drive should also fulfill the opening function.
  • the control of the electric drive motor 13 of the central locking drive 12 can be done in this way as needed with only the respectively necessary power supply.

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  • Lock And Its Accessories (AREA)

Description

Die vorliegende Erfindung betrifft ein Kraftfahrzeug-Türschloß mit einem kombinierten Zentralverriegelungs- und Öffnungsantrieb mit den Merkmalen des Oberbegriffs von Anspruch 1.The present invention relates to a motor vehicle door lock with a combined Zentralverriegelungs- and Öffnungsantrieb with the features of the preamble of claim 1.

Der Begriff des Kraftfahrzeug-Türschlosses ist umfassend zu verstehen, es sind nicht nur Seitentürschlösser und Hecktürschlösser, sondern beispielsweise auch Heckklappenschlösser davon abgedeckt.The term of the motor vehicle door lock is to be understood comprehensively, not only side door locks and rear door locks, but, for example, also tailgate locks are covered.

Das bekannte Kraftfahrzeug-Türschloß, von dem die Erfindung ausgeht (EP 0 710 755 B1) weist zunächst die üblichen Schließelemente in Form einer Schloßfalle und einer die Schloßfalle in Schließstellung sperrenden Sperrklinke sowie eine Schloßmechanik mit mehreren miteinander zusammenwirkenden und die Schließelemente ggf. betätigenden Elementen auf. Zu den Elementen der Schloßmechanik gehört ein von Hand von einem Türaußengriff o. dgl. aus zu betätigendes Außenbetätigungselement in Form eines Kniehebels, das über ein Kupplungselement in Form eines schwenkbaren und in Längsrichtung verschiebbaren Hebels in eingekuppelter Stellung die Sperrklinke betätigen kann. In ausgekuppelter, nämlich von einer Mitnehmernase in einen Freis chnitt herausgeschwenkter Stellung des Kupplungselementes führt das Außenbetätigungselement einen Leerhub aus.The known motor vehicle door lock, from which the invention proceeds (EP 0 710 755 B1) initially has the usual closing elements in the form of a latch and a lock latch in the closed position locking pawl and a lock mechanism with a plurality of cooperating and the closing elements, if necessary, actuated elements , To the elements of the lock mechanism includes a by hand from an outside door handle o. The like. To be actuated external actuating element in the form of a toggle lever, which can actuate the pawl via a coupling element in the form of a pivotable and longitudinally displaceable lever in the engaged position. In disengaged, namely swung out of a driving lug in a free chnitted position of the coupling element, the external actuating element performs an idle stroke.

Das Kupplungselement wird von einem Verstellelement aus der eingekuppelten in die ausgekuppelte Stellung bewegt, und zwar durch motorische Betätigung des Verstellelementes mittels eines Zentralverriegelungsantriebs. Bei nochmaliger Betätigung des Zentralverriegelungsantriebs in der selben Betätigungsrichtung erfolgt die Rückkehr des Verstellelementes unter Federkraft in seine Ausgangsposition nach Art einer Kugelschreibermechanik und damit die Rückkehr des Kupplungselementes aus der ausgekuppelten Stellung in die eingekuppelte Stellung.The coupling element is moved by an adjusting element from the engaged in the disengaged position, by motor actuation of the adjusting element by means of a central locking drive. When the central locking drive is operated again in the same operating direction the return of the adjustment takes place under spring force to its original position in the manner of a ballpoint pen mechanism and thus the return of the coupling element from the disengaged position in the engaged position.

In einer zweiten Funktion hat der Zentralveniegelungsantrieb die Funktion eines Öffnungsantriebs, betätigt nämlich die Sperrklinke. Zwischen der Sperrklinke und dem Zentralverriegelungsantrieb kann zu diesem Zweck auch ein zusätzliches Auslöseelement vorgesehen sein. Der Zentralverriegelungsantrieb hat dabei ein in zwei Richtungen antreibbares Antriebselement die Form eines Antriebsritzels, das mit einem Zahnsegment am Verstellelement kämmt. In einer Richtung betätigt das Antriebselement das Verstellelement, und zwar sowohl einkuppelnd als auch auskuppelnd, in der anderen Richtung das Auslöseelement bzw. das Schließelement.In a second function, the central venous valve drive has the function of an opening drive, namely actuates the pawl. Between the pawl and the central locking drive can be provided for this purpose, an additional triggering element. The central locking drive has a drivable in two directions drive element in the form of a drive pinion, which meshes with a toothed segment on the adjusting element. In one direction, the drive element actuates the adjusting element, both engaging and disengaging, in the other direction, the trigger element and the closing element.

Die federbelastete Kugelschreibermechanik des bekannten Kraftfahrzeug-Türschlosses kann bei richtiger Abstimmung von Wegen und Federkräften auch so ausgestaltet werden, daß das in ausgekuppelter Stellung befindliche Kupplungselement bei betätigtem Außenbetätigungselement durch eine motorische Betätigung des Verstellelementes in eine der eingekuppelten Stellung vorgelagerte Speicherstellung verstellbar ist, aus der das Kupplungselement bei Wegfall der Betätigung des Außenbetätigungselementes selbsttätig in die eingekuppelte Stellung verlagert wird, und zwar eben, wie erläutert, unter Wirkung der Federkraft eines Federelementes. Dadurch wird sichergestellt, daß man dieses Kraftfahrzeug-Türschloß motorisch auch dann entsichern kann, wenn gleichzeitig von außen bereits eine Öffnungsbetätigung erfolgt ist, das Außenbetätigungselement also betätigt worden ist. Die eingekuppelte Stellung, also die Entriegelungsstellung, wird hier unter Federkraft gespeichert und nach Freigabe des Außenbetätigungselementes automatisch unter Federkraft eingenommen. Man bezeichnet dies als "Komfortfunktion".The spring-loaded ballpoint pen mechanism of the known motor vehicle door lock can also be configured with proper coordination of paths and spring forces, that the clutch located in the disengaged position coupling element is actuated by a motor actuation of the adjusting element in one of the engaged position storage position is adjustable with actuated external actuator, from the Clutch element is automatically displaced in the engaged position upon the termination of the operation of the external actuating element, and indeed, as explained, under the action of the spring force of a spring element. This ensures that you can unlock this motor vehicle door lock motor even if at the same time already an opening operation is done from the outside, the external actuating element has been pressed. The engaged position, ie the unlocked position, is stored here under spring force and automatically taken by release of the external actuating element under spring force. This is called a "comfort function".

Das bekannte, zuvor erläuterte Kraftfahrzeug-Türschloß ist grundsätzlich als Elektroschloß ausgestaltet, es ist nämlich im Normalbetrieb nur motorisch öffenbar. Lediglich im Notbetrieb ist es mechanisch mittels Handbetätigung des Außenbetätigungselementes öffenbar.The well-known, previously explained motor vehicle door lock is basically designed as an electric lock, namely, it is in normal operation only motor openable. Only in emergency mode it is mechanically openable by manual operation of the external actuating element.

Bei Ausrüstung eines Elektroschlosses mit einer "Passive Entry"-Funktion, auch "Elektronischer Schlüssel" genannt, kann das Kraftfahrzeug-Türschloß bei Annäherung an das Kraftfahrzeug automatisch entriegelt werden, ohne einen Tastendruck an einem Fernsteuermodul o. dgl.When fitting an electric lock with a "passive entry" function, also called "electronic key", the motor vehicle door lock can be automatically unlocked when approaching the motor vehicle, without a keystroke on a remote control module o. The like.

Ein Kraftfahrzeug-Türschließsystem mit Passive Entry-Funktion benötigt für die Steuerelektronik eine bestimmte Reaktionsphase. Die Dauer der Reaktionsphase wird im Vergleich mit konventionellen Kraftfahrzeug-Türschließsystemen als lang empfunden. Das Ziehen des Türaußengriffes kann nämlich dann unter Umständen schon erfolgen, wenn die Reaktion der Steuerelektronik noch nicht abgeschlossen worden ist. Die Bedienungsperson ärgert sich dann darüber, daß sie den Türgriff ein zweites Mal ziehen muß, weil sie dies als "Fehlfunktion" interpretiert. Es gibt daher verschiedene Anläufe, die resultierende Gesamtzeit der Reaktion irgendwie zu kaschieren oder zu verkürzen (DE 195 21 024 A1; DE 197 52 974 A1).A motor vehicle door locking system with passive entry function requires a certain reaction phase for the control electronics. The duration of the reaction phase is perceived as long compared to conventional motor vehicle door locking systems. The pulling of the outside door handle may in fact already take place if the reaction of the control electronics has not yet been completed. The operator then becomes angry that she has to pull the door handle a second time because she interprets this as a "malfunction". There are therefore various attempts to somehow conceal or shorten the resulting total time of the reaction (DE 195 21 024 A1, DE 197 52 974 A1).

Eine gleichartige Problematik tritt auch dann auf, wenn eine Passive-Entry-Funktion nicht eingerichtet ist, beispielsweise wenn ein Beifahrer die Beifahrertür bereits von außen zu öffnen versucht, obwohl dort der Zentralverriegelungsantrieb das Kupplungselement noch nicht in die eingekuppelte Stellung (Entriegelungsstellung) verlagert hat.A similar problem occurs even if a passive-entry function is not set up, for example, when a passenger tries to open the passenger door from the outside, although there the central locking drive has not yet shifted the coupling element in the engaged position (unlocked position).

Nicht immer besteht der Wunsch, ein reines Elektroschloß als Kraftfahrzeug-Türschloß einzusetzen. Tatsächlich gibt es nämlich noch ein erhebliches Mißtrauen gegenüber reinen Elektroschlössern, die keine mechanische Öffnungsbetätigung mehr aufweisen. Dieses Mißtrauen gründet sich auf sicherheitstechnische Überlegungen.There is not always the desire to use a pure electric lock as a motor vehicle door lock. In fact, there is still a considerable amount of mistrust of pure electric locks, which no longer have any mechanical opening operation. This mistrust is based on safety considerations.

Zu diesem Zwecke könnte man sich vorstellen, das eingangs erläuterte, bekannte Kraftfahrzeug-Türschloß (EP 0 710 755 B1), von dem die Erfindung ausgeht, nur mechanisch vom Türaußengriff her betätigen zu lassen. Dann brauchte der Zentralverriegelungsantrieb nur die Funktion der Betätigung des Verstellelementes zu erfüllen. Auch ein solches Kraftfahrzeug-Türschloß wäre aber in der Reaktionszeit ggf. so langsam, daß der Türaußengriff ein zweites Mal gezogen werden müßte, um das Kraftfahrzeug-Türschloß letztlich mechanisch zu öffnen.For this purpose, one could imagine, the initially explained, known motor vehicle door lock (EP 0 710 755 B1), from which the invention proceeds, only mechanically operated from the outside door handle forth. Then the central locking drive needed to fulfill only the function of the actuation of the adjusting element. Also, such a motor vehicle door lock would be in the reaction time, if necessary, so slow that the outside door handle would have to be pulled a second time to open the motor vehicle door lock ultimately mechanically.

Es ist bereits ein Kraftfahrzeug-Türschloß bekannt (EP 1 001 119 A1), das ausschließlich vom Türaußengriff her mechanisch geöffnet werden kann. Der Zentralverriegelungsantrieb hat hier nur die Funktion der Betätigung des Verstellelements. Hier ist bereits erkannt worden, daß dieses Kraftfahrzeug-Türschloß gegebenenfalls in der Reaktionszeit zu langsam ist. Um zu verhindern, daß ein Türaußengriff ein zweites Mal gezogen werden muß, um das Kraftfahrzeug-Türschloß letztlich mechanisch zu öffnen, befindet sich. im Betätigungsweg zwischen dem Türaußengriff und der das Schließelement darstellenden Sperrklinke ein Federspeicher. Dieser wird beim Ziehen des Türaußengriffs bereits gespannt und beim Freigeben des Verstellelementes durch den Zentralverriegelungsantrieb dann seinerseits freigegeben. Angetrieben durch den Federkraftspeicher wird dann die Sperrklinke nachlaufend ausgehoben, sofern der Türaußengriff weiter gezogen wird oder zumindest in der gezogenen Stellung gehalten wird.There is already a motor vehicle door lock known (EP 1 001 119 A1), which can be opened mechanically only from the outside door handle ago. The central locking drive has here only the function of the actuation of the adjusting element. Here it has already been recognized that this motor vehicle door lock may be too slow in the reaction time. In order to prevent that an outside door handle must be pulled a second time to ultimately open the motor vehicle door lock mechanically, is located. in the actuation path between the outside door handle and the locking member performing pawl a spring accumulator. This is already stretched when pulling the outside door handle and then released when releasing the adjustment by the central locking drive in turn. Powered by the spring energy storage then the pawl is excavated trailing, if the outside door handle is pulled further or at least held in the pulled position.

Diese Konstruktion ist zwar hinsichtlich der Reaktionszeit zweckmäßig, erfordert aber einen weiter gezogenen Türaußengriff, funktioniert also nicht, wenn der Türaußengriff vorzeitig wieder losgelassen worden ist.Although this construction is useful in terms of reaction time, but requires a further drawn outside door handle, so does not work if the outside door handle has been released prematurely.

Der Lehre liegt daher das Problem zugrunde, das bekannte, eingangs erläuterte Kraftfahrzeug-Türschloß so auszugestalten, daß es im Grundsatz mechanisch arbeitet, aber gleichwohl in jedem Fall eine schnelle Öffnung erfolgt.The teaching is therefore based on the problem, the known, initially explained motor vehicle door lock in such a way that it works mechanically in principle, but nevertheless takes place in each case a fast opening.

Die zuvor aufgezeigte Problemstellung ist bei einem Kraftfahrzeug-Türschloß mit den Merkmalen des Oberbegriffs von Anspruch 1 durch die Merkmale des kennzeichnenden Teils von Anspruch 1 gelöst.The above-indicated problem is solved in a motor vehicle door lock with the features of the preamble of claim 1 by the features of the characterizing part of claim 1.

Erfindungsgemäß wird also eine Öffnungsbetätigung normalerweise nur vom Türaußengriff aus mechanisch ausgeführt. Es handelt sich also insoweit um ein rein mechanisches Kraftfahrzeug-Türschloß. Der Zentralverriegelungsantrieb hat aber seine zweite Funktion des Öffnungsantriebs trotzdem erhalten, um nämlich dann, wenn der Türaußengriff schneller gezogen bzw. gedrückt worden ist als die Steuerelektronik zur Ansteuerung des Zentralverriegelungsantriebs und der Zentralverriegelungsantrieb selbst reagieren konnten, was insbesondere bei Realisierung der Passive Entry-Funktion auftreten kann, unabhängig von der Öffnungsbetätigung des Türaußengriffes eine elektrische Öffnung zu realisieren. Dann nämlich, wenn der Zentralverriegelungsantrieb noch keine Entriegelung hat durchführen können, wird der Zentralverriegelungsantrieb in der zweiten Funktion wirksam und betätigt das Auslöseelement oder das Schließelement als motorischer Öffnungsantrieb. Das elektrische Öffnen des Kraftfahrzeug-Türschlosses erfolgt also nur dann, wenn die Bedienungsperson den Türaußengriff schneller betätigt als die motorische, insbesondere elektromotorische Entriegelungsmechanik reagieren konnte. Ein zweites Betätigen des Türaußengriffes ist nicht erforderlich, weil die Tür von selbst öffnet.According to the invention, therefore, an opening operation is normally performed mechanically only from the outside door handle. So it is so far a purely mechanical motor vehicle door lock. The central locking drive has received its second function of the opening drive anyway, namely, when the outside door handle has been pulled or pressed faster than the control electronics for controlling the central locking drive and the central locking drive could react itself, which occur especially in the realization of the passive entry function can, regardless of the opening operation of the outside door handle to realize an electric opening. For then, if the central locking drive has not yet been unlocked, the central locking drive in the second function is effective and actuates the trigger element or the closing element as a motorized opening drive. The electric opening of the motor vehicle door lock is thus only when the operator operated the outside door handle faster than the motor, especially electromotive unlocking mechanism could react. A second operation of the outside door handle is not required because the door opens by itself.

Unter Nutzung des ohnehin vorhandenen motorischen Zentralverriegelungsantriebs schafft man sich also eine Komfortverbesserung, die insbesondere bei Realisierung eines Passive Entry-Systems im Kraftfahrzeug, in eingeschränktem Maße auch allgemein von Vorteil sein wird. Gleichwohl hat man die Möglichkeit, das Kraftfahrzeug-Türschloß selbst im Normalfall (und insbesondere auch im Notfall) als rein mechanisch zu öffnendes Kraftfahrzeug-Türschloß beizubehalten. Sicherheitstechnische Bedenken fallen daher fort.Using the already present motorized central locking drive, one thus creates a comfort improvement, which will also be of general advantage in particular in the realization of a passive entry system in the motor vehicle, to a limited extent. Nevertheless, it is possible to maintain the motor vehicle door lock itself in the normal case (and in particular in an emergency) as a motor vehicle door lock to be opened purely mechanically. Safety concerns therefore continue.

Bevorzugte Ausgestaltungen und Weiterbildungen der Lehre sind Gegenstand der Unteransprüche.Preferred embodiments and further developments of the teaching are the subject of the dependent claims.

Für die Lehre der vorliegenden Erfindung ist es nicht von Bedeutung, ob das Kraftfahrzeug-Türschloß einteilig, also mit in einer Einheit verwirklichten Schließelementen und Schloßmechanik sowie ggf. Schloßelektronik, realisiert ist oder zweiteilig mit einerseits den Schließelementen in einer Schließeinheit, anderseits der Schloßmechanik und ggf. der Schloßelektronik in einer davon räumlich getrennten Steuereinheit. Letzteres ist für sich ebenfalls aus dem Stand der Technik bekannt (DE 44 44 581 A1) mit dem Vorteil, daß die feuchtigkeitsempfindlichere Steuereinheit im Trockenraum einer Kraftfahrzeugtür und nur die weniger feuchtigkeitsempfindliche Schließeinheit mit den mechanischen Schließelementen im Feuchtraum der Kraftfahrzeugtür angeordnet ist. Typisches Verbindungselemente zur Kraftübertragung sind hierbei Bowdenzüge.For the teaching of the present invention, it does not matter whether the motor vehicle door lock is in one piece, so realized in a unit closing elements and lock mechanism and possibly lock electronics, or in two parts with one part the closing elements in a clamping unit, on the other hand, the lock mechanism and if necessary the lock electronics in one of them spatially separated control unit. The latter is also known from the prior art (DE 44 44 581 A1) with the advantage that the humidity-sensitive control unit in the dry room of a motor vehicle door and only the less moisture sensitive closing unit is arranged with the mechanical closing elements in the wet room of the vehicle door. Typical connecting elements for power transmission here are Bowden cables.

Im folgenden wird die Erfindung anhand einer lediglich Ausführungsbeispiele darstellenden Zeichnung näher erläutert. In der Zeichnung zeigt

Fig. 1
ein erstes Ausführungsbeispiel eines Kraflfahrzeug-Türschlosses in einer Ansicht in Verriegelungsstellung,
Fig. 2
das Kraftfahrzeug-Türschloß aus Fig. 1, jedoch jetzt in Entriegelungsstellung, Türaußengriff nicht gezogen,
Fig. 3
in einer Fig. 2 entsprechenden Darstellung das Kraftfahrzeug-Türschloß, Türaußengriff im Leerhub gezogen bevor die Entriegelungsstellung erreicht war,
Fig. 4
in einer Fig. 1 entsprechenden Darstellung ein zweites Ausführungsbeispiel eines erfindungsgemäßen Kraftfahrzeug-Türschlosses,
Fig. 5
das Ausführungsbeispiel aus Fig. 4 ausschnittweise im unteren Bereich des Außenbetätigungselements 3,
Fig. 6
in einer schematischen Darstellung ein zweiteilig ausgeführtes Kraftfahrzeug-Türschloß und
Fig. 7
eine Steuereinheit eines zweiteilig ausgeführten Kraftfahrzeug-Türschlosses gemäß Fig. 6.
In the following the invention will be explained in more detail with reference to a drawing illustrating only embodiments. In the drawing shows
Fig. 1
A first embodiment of a Kraflfahrzeug door lock in a view in the locked position,
Fig. 2
the motor vehicle door lock of FIG. 1, but now in unlocked position, outside door handle not pulled,
Fig. 3
in a representation corresponding to FIG. 2, the motor vehicle door lock, outside door handle pulled in idle stroke before the unlocking position was reached,
Fig. 4
1 in a representation corresponding to a second embodiment of a motor vehicle door lock according to the invention,
Fig. 5
4 in the lower area of the external actuating element 3, FIG.
Fig. 6
in a schematic representation of a two-part motor vehicle door lock and
Fig. 7
a control unit of a two-part motor vehicle door lock according to FIG. 6.

Das in Fig. 1 schematisch in einer perspektivischen Ansicht dargestellte Kraftfahrzeug-Türschloß 1 ist am Beispiel eines Kraftfahrzeug-Seitentürschlosses dargestellt. Auch Hecktürschlösser, Schiebetürschlösser, Klappenschlösser etc. sind vom Begriff des Türschlosses erfaßt.The motor vehicle door lock 1 shown schematically in Fig. 1 in a perspective view is shown using the example of a motor vehicle side door lock. Also rear door locks, sliding door locks, flap locks, etc. are covered by the concept of the door lock.

Ein solches Kraftfahrzeug-Türschloß 1 gehört zu einem Kraftfahrzeug-Türschließsystem, bei dem die verschiedenen Kraftfahrzeugschlösser für Kraftfahrzeugtüren und Kraftfahrzeugklappen motorisch, vorzugsweise elektrornotorisch, entriegelbar und verriegelbar sind. Die Steuerelektronik eines solchen Kraftfahrzeug-Türschließsystems kann die im allgemeinen Teil der Beschreibung erläuterte Passive Entry-Funktion aufweisen. Das dargestellte Kraftfahrzeug-Türschloß 1 ist in besonderer Weise auf die Randbedingungen bei Verwirklichung einer Passive Entry-Funktion abgestimmt. Wie im allgemeinen Teil der Beschreibung bereits ausgeführt worden ist, kommt der Lehre aber auch bei einem normalen ferngesteuerten Kraftfahrzeug-Türschloß 1 mit motorischem Zentralverriegelungsantrieb Bedeutung zu.Such a motor vehicle door lock 1 is part of a motor vehicle door locking system in which the various motor vehicle locks for motor vehicle doors and motor vehicle doors are motorized, preferably electric motor, unlockable and lockable. The control electronics of such a motor vehicle door closing system can have the passive entry function explained in the general part of the description. The illustrated motor vehicle door lock 1 is tuned in a special way to the boundary conditions in the realization of a passive entry function. As has already been stated in the general part of the description, however, the teaching is also important in a normal remote-controlled motor vehicle door lock 1 with a motor-operated central locking drive.

Fig. 1 zeigt zunächst das Kraftfahrzeug-Türschloß 1 mit einer Schloßmechanik mit mehreren miteinander zusammenwirkenden Elementen. Zunächst erkennbar ist ein von Hand von einem Türaußengriff, Kraftwirkungsrichtung angedeutet durch den Pfeil 2, aus zu betätigendes Außenbetätigungselement 3 in Form eines auf einer Lagerachse 4 schwenkbar gelagerten Außenbetätigungshebels. Das Außenbetätigungselement 3 ist entgegen der Kraftwirkungsrichtung 2 durch eine nicht dargestellte Vorspannfeder belastet. Das Außenbetätigungselement 3 stellt sich somit unter Federkraft bei Loslassen des Türaußengriffs in seine in Fig. 1 dargestellte Ausgangsposition zurück. Vorgesehen ist weiter ein Kupplungselement 5. Das Kupplungselement 5 ist im dargestellten Ausführungsbeispiel hantelförmig mit einer Schwenkachse 6 und einem Kupplungszapfen 7 ausgeführt. Das wird weiter unten noch näher erläutert.Fig. 1 shows first the motor vehicle door lock 1 with a lock mechanism with a plurality of interacting elements. First, a hand operated by an outside door handle, force action direction indicated by the arrow 2, from to be actuated external actuating element 3 in the form of a pivotably mounted on a bearing axis 4 external actuating lever. The external actuating element 3 is loaded against the direction of force 2 by a biasing spring, not shown. The external actuating element 3 thus returns under spring force when releasing the outside door handle in its starting position shown in Fig. 1. Provided is further a coupling element 5. The coupling element 5 is designed dumbbell-shaped in the illustrated embodiment with a pivot axis 6 and a coupling pin 7. This will be explained in more detail below.

Dargestellt ist ferner ein Schließelement 8 in Form einer Sperrklinke. Die zugehörige, von der Sperrklinke - Schließelement 8 - in Schließstellung gehaltene Schloßfalle 9 ist in Fig. 1 in Schließstellung zu erkennen. Sie ist, wie üblich, als Drehfalle mit einer Lagerachse 10 ausgeführt, ohne daß dies einschränkend zu verstehen ist.Shown is also a closing element 8 in the form of a pawl. The associated, held by the pawl - closing element 8 - in the closed position lock latch 9 can be seen in Fig. 1 in the closed position. It is, as usual, designed as a rotary latch with a bearing axis 10, without this being limiting.

Grundsätzlich wäre es auch möglich und wird es auch häufig verwirklicht, zwischen dem Schließelement 8 und dem Kupplungselement 5 noch ein zusätzliches Element, ein Auslöseelement beispielsweise in Form eines Schlepphebels anzuordnen. Dazu darf auf die einleitend angeführten Entgegenhaltungen verwiesen werden, die teilweise solche zusätzlichen Auslöseelemente zeigen.In principle, it would also be possible and it is also often realized between the closing element 8 and the coupling element 5 nor an additional element to arrange a trigger element, for example in the form of a finger lever. Reference may be made to the cited references, some of which show such additional triggering elements.

In eingekuppelter Stellung betätigt das Außenbetätigungselement 3 über das Kupplungselement 5 das Schließelement 8, in ausgekuppelter Stellung des Kupplungselementes 5 führt das Außenbetätigungselement 8 bei Ziehen des Türaußengriffs einen Leerhub aus. Die ausgekuppelte Stellung zeigt Fig. 1.In the engaged position, the external actuating element 3 actuates the closing element 8 via the coupling element 5; in the disengaged position of the coupling element 5, the external actuating element 8 executes an idle stroke when the outside door handle is pulled. The disengaged position is shown in FIG. 1.

Das Kupplungselement 5 ist bei nicht betätigtem Außenbetätigungselement 3 von einem motorisch zu betätigenden Verstellelement 11 aus der eingekuppelten Stellung in die ausgekuppelte Stellung und umgekehrt verlagerbar. Zur motorischen Betätigung des Verstellelementes 11 dient ein Zentralverriegelungsantrieb 12. Dieser weist im dargestellten Ausführungsbeispiel, in Fig. 1 angedeutet, einen elektrischen Antriebsmotor 13 sowie ein Schneckenradgetriebe 14 auf. Andere Ausführungsformen sind aus dem Stand der Technik bekannt und einsetzbar.The coupling element 5 is displaceable in the non-actuated external actuating element 3 by a motor-operated adjusting element 11 from the engaged position to the disengaged position and vice versa. For the motor actuation of the adjusting element 11 is a central locking drive 12. This has in the illustrated embodiment, indicated in Fig. 1, an electric drive motor 13 and a worm gear 14 on. Other embodiments are known and usable in the prior art.

In einer zweiten Funktion kann der Zentralverriegelungsantrieb 12 das Schließelement 8 betätigen. Wie das geschieht, wird weiter unten noch näher erläutert.In a second function, the central locking drive 12 can actuate the closing element 8. How this happens is explained in more detail below.

Wesentlich ist zunächst, daß eine Öffnungsbetätigung normalerweise nur mit dem Außenbetätigungselement 3 mechanisch erfolgt. Der Zentralverriegelungsantrieb 12 betätigt das Schließelement 8 in der zweiten Funktion nur dann, wenn das Außenbetätigungselement 3 sich in dieser Phase bereits im Leerhub befindet, also so schnell mechanisch betätigt worden ist, daß das Kupplungselement 5 noch nicht die eingekuppelte Stellung erreicht hatte. Dadurch wird für eine Bedienungsperson kaschiert, daß die unmittelbar folgende Öffnung des Kraftfahrzeug-Türschlosses 1 nicht durch die mechanische Betätigung mit Ziehen des Türaußengriffes erfolgt ist, sondern in der zweiten Funktion durch den Zentralverriegelungsantrieb 12 elektrisch erfolgte. Diese Funktion tritt aber nur in Ausnahmefällen ein. Im Normalfall, wenn hinreichend Zeit zur Betätigung des Verstellelementes 11 durch den Zentralverriegelungsantrieb 12 in der ersten Funktion zur Verfügung steht, erfolgt die anschließende Öffnungsbetätigung des Kraftfahrzeug-Türschlosses 1 in klassischer Weise rein mechanisch.It is essential first that an opening operation normally takes place mechanically only with the external actuating element 3. The central locking drive 12 actuates the closing element 8 in the second function only when the external operating element 3 is already in the idle stroke in this phase, that is, has been mechanically actuated so quickly that the coupling element 5 has not yet reached the engaged position. As a result, an operator is laminated, that the immediately following opening of the motor vehicle door lock 1 is not done by the mechanical operation with pulling the outside door handle, but was carried out electrically in the second function by the central locking drive 12. This function only occurs in exceptional cases. In the normal case, if sufficient time is available for actuating the adjusting element 11 by the central locking drive 12 in the first function, the subsequent opening operation of the motor vehicle door lock 1 takes place in a classical manner purely mechanically.

Mit der zuvor erläuterten Konstruktion wird einerseits den Sicherheitsüberlegungen mancher Automobilhersteller Rechnung getragen, indem ein im Grundsatz mechanisch betätigtes Kraftfahrzeug-Türschloß 1 zur Verfügung gestellt wird, das eben auch bei einem Unfall mechanisch geöffnet werden kann, wird andererseits durch eine geschickte Doppelnutzung des Zentralverriegelungsantriebs 12 ein Betätigungsproblem berücksichtigt, das insbesondere bei Realisierung einer Passive Entry-Funktion oder anderweit voreilendem Ziehen am Türaußengriff auftreten kann.With the above-mentioned construction, on the one hand, the safety considerations of some car manufacturers are taken into account by providing a mechanically actuated motor vehicle door lock 1 which can be mechanically opened even in the event of an accident, on the other hand by clever double use of the central locking drive 12 Be considered operating problem, which can occur in particular in the realization of a passive entry function or otherwise premature pulling on the outside door handle.

Man könnte nun vorsehen, daß der Zentralverriegelungsantrieb 12 ein in zwei Richtungen antreibbares Antriebselement 15, insbesondere in Form eines Antriebsritzels oder eines Antriebsexzenters aufweist, das in einer Richtung das Verstellelement 11 betätigt und in der anderen, entgegengesetzten Richtung das Auslöseelement oder das Schließelement 8 betätigt. Das wäre die Konstruktion, die beim Zentralverriegelungsantrieb des Standes der Technik verwirklicht ist, von dem die Lehre der vorliegenden Patentanmeldung ausgeht (EP 0 710 755 BI).It could now be provided that the central locking drive 12 has a drivable in two directions drive element 15, in particular in the form of a drive pinion or a drive eccentric which actuates the adjusting element 11 in one direction and actuates the trigger element or the closing element 8 in the other, opposite direction. This would be the construction embodied in the prior art central locking drive from which the teachings of the present application are based (EP 0 710 755 BI).

Das dargestellte und insoweit bevorzugte Ausführungsbeispiel geht einen anderen Weg, nämlich den, daß der Zentralverriegelungsantrieb 12 ein in zwei Richtungen antreibbares Antriebselement 15, insbesondere in Form eines Antriebsritzels oder eines Antriebsexzenters aufweist, das in einer Richtung das Verstellelement 11 in Richtung der eingek-uppelten Stellung sowie das Auslöseelement oder das Schließelement 8 betätigt und in der anderen, entgegengesetzten Richtung das Verstellelement 11 in Richtung der ausgekuppelten Stellung betätigt und das Schließelement 8 freigibt. Man hat damit also eine richtungsgleiche Betätigung des Verstellelementes 11 in Richtung der eingekuppelten Stellung und des Schließelementes 8 in Öffnungsrichtung (Ausheben der Sperrklinke).The illustrated and so far preferred embodiment is a different way, namely that the central locking drive 12 has a drivable in two directions drive element 15, in particular in the form of a drive pinion or a drive eccentric, in one direction, the adjusting element 11 in the direction of eingek-uppelten position and the triggering element or the closing element 8 is actuated and actuated in the other, opposite direction, the adjusting element 11 in the direction of the disengaged position and the closing element 8 releases. It thus has a direction equal operation of the adjusting element 11 in the direction of the engaged position and the closing element 8 in the opening direction (lifting the pawl).

Das dargestellte Ausführungsbeispiel zeigt das Antriebselement 15 im Grundsatz als Antriebsritzel ausgeführt, jedoch zu einem Zahnbogen degeneriert, weil hier nur eine Schwenkung über einen relativ geringen Winkelbereich in beiden Richtungen erforderlich ist.The illustrated embodiment shows the drive element 15 in principle designed as a drive pinion, but degenerated into a dental arch, because only a pivoting over a relatively small angular range in both directions is required here.

Das dargestellte Ausführungsbeispiel zeigt, insoweit aus einem Vergleich von Fig. 2 und Fig. 3 gut erkennbar, daß hier noch die eingangs erläuterte "Komfortfunktion" realisiert ist. Das ist dadurch verwirklicht, daß das in ausgekuppelter Stellung befindliche Kupplungselement 5 bei betätigtem Außenbetätigungselement 3 durch eine motorische Betätigung des Verstellelementes 11 in eine der eingekuppelten Stellung vorgelagerte Speicherstellung verstellbar ist (dargestellt in Fig. 3), aus der das Kupplungselement 5 bei Wegfall der Betätigung des Außenbetätigungselementes 3 selbsttätig in die eingekuppelte Stellung verlagert wird (dargestellt in Fig. 2). Letzteres geschieht vorzugsweise unter der Kraft einer im dargestellten Ausführungsbeispiel auf das Kupplungselement 5 im Uhrzeigersinn wirkenden Vorspannfeder, die hier nicht gesondert dargestellt ist.The illustrated embodiment shows, as far as can be clearly seen from a comparison of Fig. 2 and Fig. 3 that here still the "comfort function" explained above is realized. This is achieved in that the coupling element 5 located in the disengaged position is adjustable with actuated external actuating element 3 by a motor actuation of the adjusting element 11 in one of the engaged position storage position (shown in Fig. 3), from which the coupling element 5 in the absence of actuation the external actuating element 3 is automatically displaced into the engaged position (shown in FIG. 2). The latter is preferably done under the force of a biasing spring acting in the illustrated embodiment on the coupling element 5 in the clockwise direction, which is not shown separately here.

Die Speicherstellung, die der eingekuppelten Stellung vorgelagert ist, wird im dargestellten Ausführungsbeispiel durch eine Sperre 3' am Außenbetätigungselement 3 definiert, die bei im Leerhub befindlichem Außenbetätigungselement 3 verhindert, daß das Kupplungselement 5 in die eingekuppelte Stellung einfällt. Dazu liegt im dargestellten Ausführungsbeispiel der Kupplungszapfen 7 unter der Federkraft der nicht dargestellten, im Uhrzeigersinn wirkenden Vorspannfeder an der Sperre 3' an. Ist das Außenbetätigungselement 3 in seine Ausgangsstellung zurückgekehrt, so ist der Weg für den Kupplungszapfen 7 frei in die eingekuppelte Stellung.The storage position, which is preceded by the engaged position, is defined in the illustrated embodiment by a lock 3 'on the external actuating element 3, which prevents in befindlichem in idle stroke external actuating element 3, that the coupling element 5 is incident in the engaged position. For this purpose, in the illustrated embodiment, the coupling pin 7 is under the spring force of the biasing spring, not shown, acting clockwise on the lock 3 '. If the external actuating element 3 has returned to its initial position, the path for the coupling pin 7 is free in the engaged position.

Nach Loslassen des Außenbetätigungselementes 3 wird also die mechanische Kupplung zum Schließelement 8 geschlossen, ungeachtet dessen, daß das Ausheben des Schließelementes 8 mittels des Zentralverriegelungsantriebs 12 in seiner zweiten Funktion als Öffnungsantrieb zwischenzeitlich bereits stattgefunden hat. Folgende Öffnungsbetätigungen erfolgen wieder rein mechanisch.After releasing the external actuating element 3 so the mechanical coupling to the closing element 8 is closed, regardless of the fact that the lifting of the closing element 8 has already taken place by means of the central locking drive 12 in its second function as opening drive in the meantime. The following opening operations are again purely mechanical.

Bei dem zuvor erläuterten Ausführungsbeispiel ist eine besonders zweckmäßige, in der Zeichnung dargestellte Konstruktion dadurch gekennzeichnet, daß das Antriebselement 15 mit einem Schwenkarm 16 verbunden ist, der bei Betätigung des Antriebselementes 15 in der einen Richtung derart um eine Schwenkachse 17 schwenkt, daß sein freies Ende auf das Auslöseelement oder das Schließelement 8 trifft und dieses betätigt, sofern das Kupplungselement 5 sich nicht in der eingekuppelten Stellung befindet, und frei läuft, sofern das Kupplungselement 5 sich in der eingekuppelten Stellung befindet. Die Freilaufposition zeigt Fig. 2. Hier steht der Kupplungszapfen 7 am Kupplungselement 5 nicht zwischen Schwenkarm 16 und Schließelement 8. Der Schwenkarm 16 kann relativ weit im Uhrzeigersinn schwenken, ohne die Sperrklinke - Schließelement 8 - zu beeinflussen.In the above-described embodiment, a particularly expedient, shown in the drawing construction is characterized in that the Drive element 15 is connected to a pivot arm 16 which pivots on actuation of the drive element 15 in one direction about a pivot axis 17 such that its free end meets the trigger element or the closing element 8 and actuates this, if the coupling element 5 is not in the engaged position, and runs freely, provided that the coupling element 5 is in the engaged position. Here, the coupling pin 7 is not on the coupling element 5 between the pivot arm 16 and closing element 8. The pivot arm 16 can pivot relatively far in a clockwise direction without affecting the pawl - closing element 8.

Demgegenüber steht in Fig. 3 der Kupplungszapfen 7 zwischen dem Schwenkarm 16 und dem Schließelement 8. Eine weitere Schwenkung des Schwenkarms 16 in Fig. 3 im Uhrzeigersinn würde dazu führen, daß das Schließelement 8 um die Lagerachse 4 entgegen dem Uhrzeigersinn geschwenkt würde, weil der Kupplungszapfen 7 dieses gewissermaßen "vor sich her schiebt".In contrast, in Fig. 3, the coupling pin 7 between the pivot arm 16 and the closing element 8. Further pivoting of the pivot arm 16 in Fig. 3 in a clockwise direction would cause the closing element 8 would be pivoted about the bearing axis 4 in the counterclockwise direction because of Hinge pin 7 this "pushes in front of him" as it were.

Das dargestellte Ausführungsbeispiel zeigt eine besonders zweckmäßige, kniehebelartige Konstruktion der Mechanik am Zentralverriegelungsantrieb 12. Es ist nämlich vorgesehen, daß das Verstellelement 11 als auf dem Schwenkarm 16 mit Abstand von der Schwenkachse 17 gelagerter (Schwenkachse 11') Hebel ausgeführt ist, der bei Schwenkung des Schwenkarms 16 um die Schwenkachse 17 eine im wesentlichen lineare Verstellbewegung ausführt. Die Antriebsbewegung des Antriebselementes 15 wird also einerseits in eine Schwenkbewegung des Schwenkarms 16 umgesetzt, führt andererseits zu einer Verschiebung des Verstellelementes 11 zum Zwecke der Verstellung des Kupplungselementes 5. Damit kann man die gewünschten, überlagerten Bewegungen für die unterschiedlichen Funktionen realisieren, obwohl der Zentralverriegelungsantrieb 12 nur in einer Richtung läuft (und entgegen dieser Richtung wieder an den Ausgangspunkt zurückkehrt).It is provided that the adjusting element 11 as on the pivot arm 16 at a distance from the pivot axis 17 mounted (pivot axis 11 ') lever is executed, the pivoting of the Swivel arm 16 about the pivot axis 17 performs a substantially linear adjustment movement. The drive movement of the drive element 15 is thus implemented on the one hand in a pivoting movement of the pivot arm 16, on the other hand leads to a displacement of the adjusting element 11 for the purpose of adjustment of the coupling element 5. Thus, one can realize the desired, superimposed movements for the different functions, although the central locking drive 12th only runs in one direction (and returns to the starting point against this direction).

Das Kupplungselement 5 ist im dargestellten Ausführungsbeispiel als am Verstellelement 11 schwenkbar gelagerter, einenends in einer Kulisse 18 mit dem Kupplungszapfen 7 laufender Hebel ausgeführt. Die Kulisse 18 ist im Verstellelement 11 kreisbogenförmig (bohnenartig) ausgebildet, rechts neben dieser Kulisse 18 befindet sich die Schwenkachse 6 des Kupplungselements 5.The coupling element 5 is executed in the illustrated embodiment as pivotally mounted on the adjusting element 11, one end running in a slot 18 with the coupling pin 7 lever. The gate 18 is formed in the adjusting element 11 arcuate (bean-like), right next to this gate 18 is the pivot axis 6 of the coupling element fifth

Für das dargestellte und bevorzugte Ausführungsbeispiel gilt ferner, daß der das Kupplungselement 5 bildende Hebel zu dem der eingekuppelten Stellung zugewandten Ende der Kulisse 18 hin federbelastet ist, durch eine hier nicht dargestellte Vorspannfeder.For the illustrated and preferred embodiment also applies that the coupling element 5 forming the lever is spring-loaded to the engaged position of the facing end of the link 18 back, by a biasing spring, not shown here.

Die Fig. 1 bis 3 machen ferner deutlich, daß im dargestellten und insoweit bevorzugten Ausführungsbeispiel ein Betätigungsarm 19 des Schließelementes 8-und ein Betätigungsarm 20 des Außenbetätigungselementes 3 einen einenends offenen Schlitz 21 bilden, in den der Kupplungszapfen 7 des Kupplungselementes 5 in eingekuppelter Stellung eintaucht und in ausgekuppelter Stellung nicht eintaucht. Die eingekuppelte Stellung zeigt Fig. 2, die ausgekuppelte Stellung zeigt Fig. 1.Figs. 1 to 3 also make it clear that in the illustrated and insofar preferred embodiment, an actuating arm 19 of the closing element 8 and an actuating arm 20 of the external actuating element 3 form an open slot 21, in which the coupling pin 7 of the coupling element 5 is immersed in the engaged position and not immersed in disengaged position. The engaged position is shown in FIG. 2, the disengaged position is shown in FIG. 1.

Die zweite Funktion für den Zentralverriegelungsantrieb 12 wird dabei dadurch realisiert, daß der Betätigungsarm 19 des Schließelementes 8 über das offene Ende des Schlitzes 21 hinaus reicht und der Zapfen 7 des Kupplungselementes 5 auch in ausgekuppelter Stellung bzw. ggf. in der Speicherstellung vor diesem Betätigungsarm 19 steht. Auch dann also kann die Kraftübertragung auf das Schließelement 8 - Sperrklinke - erfolgen, allerdings nur vom Schwenkarm 16 des Zentralverriegelungsantriebs 12 aus. Demgegenüber weicht der Kupplungszapfen 7 bei normaler Betätigung von Hand nach oben in den Schlitz 21 hinein aus, der Schwenkarm 16 ist jetzt wirkungslos, dafür wirkt das Außenbetätigungselement 3 über den Betätigungsarm 20.The second function for the central locking drive 12 is thereby realized that the actuating arm 19 of the closing element 8 extends beyond the open end of the slot 21 and the pin 7 of the coupling element 5 in disengaged position or possibly in the storage position in front of this actuating arm 19th stands. Even then, the power transmission to the closing element 8 - pawl - done, but only from the pivot arm 16 of the central locking drive 12. In contrast, the coupling pin 7 deviates during normal operation by hand upwards into the slot 21, the pivot arm 16 is now ineffective, but the external actuating element 3 acts via the actuating arm 20.

Generell muß es sich bei dem in den Schlitz 21 eintauchenden Teil nicht um einen Zapfen 7 handeln. Dieses Teil 7 des Kupplungselementes 5 kann auch viele andere Formen haben, beispielsweise am Kupplungselement 5 einstückig ausgeformt sein.In general, the part immersed in the slot 21 need not be a pin 7. This part 7 of the coupling element 5 may also have many other forms, for example, be integrally formed on the coupling element 5.

Fig. 3 zeigt den Zentralverriegelungsantrieb 12 unterhalb des Schließelementes 8 und der Drehfalle 9. Dadurch baut diese Anordnung insgesamt relativ hoch. Zweckmäßig ist demgegenüber, daß das Außenbetätigungselement 3 auf der Lagerachse 4 gelagert ist, auf der auch das Schließelement 8 gelagert ist.Fig. 3 shows the central locking drive 12 below the closing element 8 and the rotary latch 9. As a result, this arrangement builds relatively high overall. Conveniently, in contrast, that the external actuating element 3 is mounted on the bearing axis 4, on which the closing element 8 is mounted.

Fig. 4 zeigt ein Ausführungsbeispiel, das sich vom zuvor erläuterten Ausführungsbeispiel zunächst dadurch unterscheidet, daß der Zentralverriegelungsantrieb 12 nach oben, etwa in die Höhe des Schließelementes 8 verlegt worden ist. Das macht den Gesamtaufbau des Kraftfahrzeug-Türschlosses 1 jedenfalls in der Höhe (bezogen auf die Zeichenebene) kompakter.Fig. 4 shows an embodiment, which initially differs from the previously described embodiment in that the central locking drive 12 has been moved upwards, approximately to the height of the closing element 8. This makes the overall structure of the motor vehicle door lock 1 at least in height (relative to the drawing plane) more compact.

Weiter ist hier eine Vereinfachung dadurch vorgesehen, daß in der Schloßmechanik das im ersten Ausführungsbeispiel vorhandene Verstellelement 11 entfallen ist. Dies liegt daran, daß hier das Kupplungselement 5 direkt am Antriebselement 15 gelagert ist. Das Kupplungselement 5 selbst ist dem Antriebselement 15 gegenüber begrenzt relativbeweglich, und zwar dadurch, daß es als am Antriebselement 15 in einer Kulisse 18 laufender Hebel ausgeführt ist, der zu dem der eingekuppelten Stellung zugewandten Ende der Kulisse 18 im Antriebselement 15 hin federbelastet ist.Next, a simplification is provided by the fact that in the lock mechanism, the existing in the first embodiment adjustment element 11 is omitted. This is because here the coupling element 5 is mounted directly on the drive element 15. The coupling element 5 itself is limited relative to the drive member 15 relative movable, in that it is designed as running on the drive element 15 in a link 18 lever which is spring-loaded to the engaged position of the facing end of the link 18 in the drive element 15 out.

Fig. 4 zeigt die Fig. 1 entsprechende Stellung bei diesem Ausführungsbeispiel, also die Verriegelungsstellung, das Kupplungselement 5 also in der ausgekuppelten Stellung. Die Sperre 3 am Außenbetätigungselement 3 würde in dieser Stellung im Leerhub am Kupplungszapfen 7 des Kupplungselementes 5 vorbeischwenken, dieser Kupplungszapfen 7 würde vor dem Betätigungsarm 19 des Schließelements 8 stehenbleiben. Der angedeutete Schwenkarm 16 hingegen würde in dieser Stellung auch bei verharrendem Kupplungselement 5 (ausgelenkt entgegen Federkraft) auf den Zapfen 7 treffen und über diesen den Betätigungsarm 19 bewegen.Fig. 4 shows the Fig. 1 corresponding position in this embodiment, ie the locking position, the coupling element 5 so in the disengaged position. The lock 3 on the outer actuating element 3 would in this position in the idle stroke on the coupling pin 7 of the coupling element 5 vorbeischwenken, this coupling pin 7 would stop before the actuating arm 19 of the closing element 8. The indicated pivot arm 16, however, would meet in this position even with persistent coupling element 5 (deflected against spring force) on the pin 7 and move over this the actuating arm 19.

Fig. 5 zeigt den unteren Bereich des Außenbetätigungselements 3 mit der Sperre 3' in einer ausschnittweisen Seitenansicht. Man erkennt, daß das Außenbetätigungselement 3 zur Ausbildung der Sperre 3' "gekröpft" ist und mit der Sperre 3' in die Bewegungsbahn des Kupplungszapfens 7 vorspringt. In der in Fig. 4 dargestellten Position ist, wie Fig. 5 zeigt, die Sperre 3' gegenüber dem Kupplungszapfen 7 nach unten versetzt, der Kupplungszapfen 7 wird nicht getroffen. Ist jedoch der Kupplungszapfen 7 nach unten verlegt, so tritt er vor die Sperre 3' und diese kann dann die Kraftübertragung auf den Betätigungsarm 19 des Schließelements 8 unter Zwischenschaltung des Kupplungszapfens 7 bewirken.Fig. 5 shows the lower portion of the external actuating element 3 with the lock 3 'in a fragmentary side view. It can be seen that the external actuating element 3 'to the formation of the lock 3' is "cranked" and protrudes with the lock 3 'in the movement path of the coupling pin 7. In the position shown in Fig. 4, as shown in FIG. 5, the lock 3 'relative to the coupling pin 7 offset downward, the coupling pin 7 is not hit. However, if the coupling pin 7 laid down, so he enters the lock 3 'and this can then cause the transmission of force to the actuating arm 19 of the closing element 8 with the interposition of the coupling pin 7.

Die besonderen Vorteile des erfindungsgemäßen Kraftfahrzeug-Türschlosses 1 sind im allgemeinen Teil der Beschreibung bereits erläutert worden, darauf darf hingewiesen werden.The particular advantages of the motor vehicle door lock 1 according to the invention have already been explained in the general part of the description, it should be pointed out.

Die Figuren 6 und 7 zeigen ein Ausführungsbeispiel, bei dem das Kraftfahrzeug-Türschloß zweiteilig ausgeführt ist. Dieses Konzept ist bereits aus dem Stand der Technik bekannt (DE 44 44 581 A1) und erlaubt es, die feuchtigkeitsempfindlichen Komponenten des Kraftfahrzeug-Türschlosses im Trockenraum einer Kraftfahrzeugtür unterzubringen und nur die weniger feuchtigkeitsempfindlichen Schließelemente im Feuchtraum zu belassen. Fig. 6 zeigt dazu die Schließelemente, nämlich Sperrklinke 8 und Schloßfalle 9, in einer mechanischen Schließeinheit 22, die an der üblichen Stelle am Stirnblech der Kraftfahrzeugtür sitzt und vorzugsweise gegen Feuchtigkeitseintritt von Außen und Innen so gut wie möglich geschützt ist. Die übrigen Elemente des Kraftfahrzeug-Türschlosses, insbesondere also die Schloßmechanik und eine eventuell vorhandene Schloßelektronik, sind in einer von der Schließeinheit 22 beabstandeten Steuereinheit 23 zusammengefaßt. Die Steuereinheit 23 befindet sich auf der Innenseite der Trennwand zwischen Feuchtraum und Trockenraum im Trockenraum der Kraftfahrzeugtür. Die Schließeinheit 22 ist mittels eines mechanischen Entfernungs-Kraftübertragungsmittels 24 mit der Steuereinheit 23 verbunden. Dieses Kraftübertragungsmittel 24 ist bereits im Stand der Technik bevorzugt ein Bowdenzug. So ist das auch bei dem dargestellten Ausführungsbeispiel. Damit ist die Verlegung des mechanischen Kraftübertragungsmittels 24 vom Trockenraum in den Feuchtraum am besten durchzuführen. Grundsätzlich sind natürlich auch andere Kraftübertragungsmittel 24, beispielsweise Stangen mit oder ohne Umlenkhebel einsetzbar.Figures 6 and 7 show an embodiment in which the motor vehicle door lock is made in two parts. This concept is already known from the prior art (DE 44 44 581 A1) and allows to accommodate the moisture-sensitive components of the motor vehicle door lock in the drying room of a motor vehicle door and to leave only the less moisture-sensitive closing elements in the wet room. Fig. 6 shows the closing elements, namely pawl 8 and lock catch 9, in a mechanical closing unit 22, which sits in the usual place on the front plate of the vehicle door and is preferably protected against moisture from outside and inside as good as possible. The remaining elements of the motor vehicle door lock, in particular so the lock mechanism and any existing lock electronics are summarized in a spaced from the clamping unit 22 control unit 23. The control unit 23 is located on the inside of the partition wall between the wet room and the drying room in the dry space of the vehicle door. The closing unit 22 is connected to the control unit 23 by means of a mechanical removal force transmission means 24. This power transmission means 24 is already preferred in the prior art, a Bowden cable. This is also the case in the illustrated embodiment. Thus, the laying of the mechanical power transmission means 24 from the drying room in the wet room is best carried out. In principle, of course, other power transmission means 24, for example rods with or without lever can be used.

Fig. 7 zeigt eine Steuereinheit 23 des bevorzugten Ausführungsbeispiels eines erfindungsgemäßen Kraftfahrzeug-Türschlosses. Die oben angegebenen einzelnen Elemente der Schloßmechanik in dieser Steuereinheit 23 sind mit den selben Bezugszeichen wie beim zuvor erläuterten Ausführungsbeispiel identifiziert. Angedeutet ist, daß sich in einer Ebene hinter der dargestellten Ebene im Gehäuse 25 der Steuereinheit 23 eine Schloßelektronik befindet.Fig. 7 shows a control unit 23 of the preferred embodiment of a motor vehicle door lock according to the invention. The above-mentioned individual elements of the lock mechanism in this control unit 23 are identified with the same reference numerals as in the previously explained embodiment. It is indicated that in a plane behind the plane shown in the housing 25 of the control unit 23 is a lock electronics.

Neben den bereits oben erläuterten Elementen weist das Ausführungsbeispiel von Fig. 6 noch einen Bowdenzug 26 zum Angriff eines Schließzylinders am Verstellelement 11 (ZV-Sicherungshebel) sowie einen einen zweiten elektrischen Antriebsmotor 27 und ein separates Schneckenrad 28 aufweisenden Diebstahl-Sicherungsantrieb auf. Dieser verlagert einen Diebstahlsicherungszapfen 29 in einem winkelförmigen Langloch eines Innenbetätigungshebels 30, der seinerseits mittels eines weiteren Bowdenzugs 31 an einen Türinnengriff angeschlossen ist. Auch für diese grundsätzliche Konstruktion darf auf den Stand der Technik hingewiesen werden.In addition to the elements already explained above, the embodiment of Fig. 6 still has a Bowden cable 26 for attacking a lock cylinder on Adjusting element 11 (ZV-safety lever) and a second electric drive motor 27 and a separate worm wheel 28 having theft-securing drive. This shifts an anti-theft pin 29 in an angular slot of an internal operating lever 30, which in turn is connected by means of another Bowden cable 31 to a door inside handle. Also for this basic design may be made to the state of the art.

Man erkennt also insgesamt, daß die Realisierung der Lehre der vorliegenden Erfindung eine bestimmte Funktion des Kraftfahrzeug-Türschlosses zur Folge hat, die unabhängig davon ist, ob das Kraftfahrzeug-Türschloß einteilig oder zweiteilig ausgeführt ist. Auch bei der Zweiteiligkeit lassen sich die Kraftübertragungs-Verhältnisse durch Bowdenzüge etc. realisieren.It can be seen overall that the realization of the teaching of the present invention has a certain function of the motor vehicle door lock result, which is independent of whether the motor vehicle door lock is made in one piece or in two parts. Even with the bipartite, the power transmission ratios can be realized by Bowden cables, etc.

Die Vorteile einer zweiteiligen Anordnung des Kraftfahrzeug-Türschlosses liegen unter anderen in folgendem:The advantages of a two-part arrangement of the motor vehicle door lock are among others in the following:

Bei passender Anordnung der Steuereinheit 23, insbesondere in der Nähe der Türschaniere in der Kraftfahrzeugtür oder -klappe, ist die Steuereinheit 23 mit der darin befindlichen, stoßempfindlichen Schloßelektronik einer geringeren Massenbeschleunigung ausgesetzt als bisher am vom Anlenkpunkt fernen Rand der Kraftfahrzeugtür.With a suitable arrangement of the control unit 23, in particular in the vicinity of the door hinges in the motor vehicle door or flap, the control unit 23 is exposed to therein shock-sensitive lock electronics of a lower mass acceleration than previously on the hinge point far edge of the vehicle door.

Die zweiteilige Ausgestaltung erlaubt es, einerseits die Schließeinheit 22, andererseits die Steuereinheit 23 blockartig, also nicht mehr, wie bei integrierter Ausführung, L-förmig auszuführen. Das erlaubt es, den Bauraum in der Kraftfahrzeugtür oder -klappe besser auszunutzen.The two-part design allows, on the one hand, the closing unit 22, on the other hand, the control unit 23 block-like, so no longer, as in integrated design, L-shaped execute. This makes it possible to better exploit the space in the motor vehicle door or flap.

Die Kombination mit einer entsprechenden Innengriffanordnung erlaubt eine Notverriegelung direkt an der Steuereinheit 23 von Innen.The combination with a corresponding inner handle assembly allows an emergency lock directly to the control unit 23 from the inside.

Schließlich ist bei einer passenden Anordnung der Steuereinheit 23 ein verbesserter Diebstahlschutz gegeben.Finally, with a suitable arrangement of the control unit 23, an improved theft protection is given.

Durch das Passive-Entry-System und einen Schalter zur Erkennung der Betätigung des Türaußengriffs kann die Steuerelektronik erkennen, ob nur entriegelt wird oder ob der motorische Antrieb auch die Öffnungsfunktion erfüllen soll. Die Ansteuerung des elektrischen Antriebsmotors 13 des Zentralverriegelungsantriebs 12 kann auf diese Weise bedarfsgerecht mit nur der jeweils notwendigen Energiezufuhr erfolgen.Through the passive entry system and a switch to detect the operation of the outside door handle, the control electronics can detect whether only unlocked or whether the motor drive should also fulfill the opening function. The control of the electric drive motor 13 of the central locking drive 12 can be done in this way as needed with only the respectively necessary power supply.

Um die Meachanik zu schützen und um die Geräuschentstehung so gering wie möglich zu halten, kann man beispielsweise die Ansteuerspannung des elektrischen Antriebsmotors 13 in der Zentralverriegelungsfunktion niedriger legen als in der Öffnungsfunktion, beispielsweise auf 8,0 V statt auf 12,0 V.In order to protect the Meachanik and to minimize the generation of noise, one can, for example, lower the drive voltage of the electric drive motor 13 in the central locking function as in the opening function, for example to 8.0 V instead of 12.0 V.

Claims (21)

  1. Motor vehicle door lock which may be unlocked and locked by motor and may be opened both mechanically and by motor,
    with a lock mechanism with a plurality of elements cooperating with one another, namely at least with
    an external actuating element (3) to be actuated manually from an external door handle,
    a coupling element (5),
    a lock element (8), in particular in the form of a detent pawl, and possibly a release element,
    the external actuating element (3) being able to actuate, in the coupled position and via the coupling element (5), the lock element (8) or the release element and thereby the lock element (8), executing an idle stroke, however, in the uncoupled position,
    the coupling element (5) being able to be adjusted by motor from the coupled position into the uncoupled position and vice versa when the external actuating element (3) is not actuated,
    a central locking drive (12) being provided for the motorized actuation of the coupling element (5), and
    the central locking drive (12) in a second function being able to actuate by motor the lock element (8) or the release element and thereby the lock element (8),
    characterized in that opening actuation normally takes place mechanically only by means of the external actuating element (3) when the coupling element (5) is in the coupled position, in that the central locking drive (12) in the second function only actuates the lock element (8) or the release element and thereby the lock element (8) by motor when the external actuating element (3) in this phase is already in the idle stroke.
  2. Motor vehicle door lock according to Claim 1, characterized in that the coupling element (5) may be actuated by motor via an adjustment element (11).
  3. Motor vehicle door lock according to Claim 1 or 2, characterized in that the central locking drive (12) comprises a drive element (15), in particular in the form of a drive pinion or a drive cam, which may be driven in two directions and which, in one direction, actuates the coupling element (5) and/or the adjustment element (11) and, in the other direction, actuates the release element or the lock element (8).
  4. Motor vehicle door lock according to Claim 1 or 2, characterized in that the central locking drive (12) comprises a drive element (15), in particular in the form of a drive pinion or a drive cam, which may be driven in two directions and which, in one direction, actuates the coupling element (5) and/or the adjustment element (11) in the direction of the coupled position and actuates the release element or the lock element (8) and in the other direction actuates the coupling element (5) and/or the adjustment element (11) in the direction of the uncoupled position and releases the lock element (8) for return into the locked position.
  5. Motor vehicle door lock according to one of Claims 1 to 4, characterized in that the coupling element (5), in the uncoupled state and when the external actuating element (3) is actuated, may be adjusted by motorized actuation into a storage position preceding the coupled position, from which storage position the coupling element (5) is moved automatically into the coupled position when the actuation of the external actuating element (3) is omitted, preferably under the action of the spring force of a spring element.
  6. Motor vehicle door lock according to Claim 4 and optionally Claim 5, characterized in that the drive element (15) is connected to a pivot arm (16) which, when the drive element (15) is actuated, pivots in one direction about a pivot axis (17) such that its free end strikes the release element or the lock element (8) and actuates said release element or said lock element, if the coupling element (5) is not in the coupled position, and runs freely, if the coupling element (5) is in the coupled position.
  7. Motor vehicle door lock according to Claim 6, characterized in that the adjustment element (11) is configured as a lever mounted on the pivot arm (16) at a distance from the pivot axis (17) which, when the pivot arm (16) pivots about the pivot axis (17), executes a substantially linear adjustment motion.
  8. Motor vehicle door lock according to one of Claims 1 to 7, characterized in that the coupling element (5) is configured as a lever running at one end in a slide (18) and which is pivotably mounted on the adjustment element (11).
  9. Motor vehicle door lock according to Claim 8, characterized in that the lever is spring-loaded towards the end of the slide (18) facing the coupled position.
  10. Motor vehicle door lock according to Claims 4 and 5 and optionally Claim 6, characterized in that the coupling element (5) is mounted directly on the drive element (15) and is able to move relative thereto in a restricted manner.
  11. Motor vehicle door lock according to Claim 10, characterized in that the coupling element (5) is configured as a lever running on the drive element (15) in a slide (18).
  12. Motor vehicle door lock according to Claim 11, characterized in that the lever is spring-loaded towards the end of the slide (18) facing the coupled position.
  13. Motor vehicle door lock according to one of Claims 1 to 12, characterized in that a catch (3') is located in the lock mechanism, in particular on the external actuating element (3) which catch, when the external actuating element (3) executes an idle stroke, prevents the coupling element (5) from engaging the coupled position.
  14. Motor vehicle door lock according to one of Claims 1 to 13, characterized in that an actuating arm (19) of the lock element (8) and an actuating arm (20) of the external actuating element (3) form a slot (21) which is open at one end, into which a part (7) of the coupling element (5), in particular a journal, is inserted in the coupled position and is not inserted in the uncoupled position.
  15. Motor vehicle door lock according to Claim 14, characterized in that the actuating arm (19) of the lock element (8) extends beyond the open end of the slot (21) and the part (7) of the coupling element (5) is also in the uncoupled position and/or optionally in the storage position in front of this actuating arm (19).
  16. Motor vehicle door lock according to one of Claims 1 to 15, characterized in that the lock elements, namely the detent pawl (8) and the lock latch (9), in particular, are combined in a mechanical lock unit (22), in that the remaining elements of the motor vehicle door lock, in particular the lock mechanism and optionally the lock electronics, are combined in a control unit (23), in that the lock unit (22) is to be spaced apart from the control unit (23) in or on the motor vehicle door or motor vehicle boot lid and in that the release element for actuating the lock element (8) comprises or represents a mechanical distance-force transmission means (24), in particular a Bowden cable.
  17. Motor vehicle door lock according to Claim 16, characterized in that the lock unit (22) may be arranged in the wet space and the control unit (23) may be arranged in the dry space of a motor vehicle door or motor vehicle boot lid and the mechanical force transmission means (24), in particular the Bowden cable, passes through a wet/dry separation of the motor vehicle door or motor vehicle boot lid.
  18. Motor vehicle door lock according to Claim 16 or 17, characterized in that the lock unit (22) and/or the control unit (23) comprises one housing (25), and/or one respective housing, which is substantially encapsulated outwardly.
  19. Motor vehicle door lock according to one of Claims 1 to 18, characterized in that the central locking drive (12) comprises an electric drive motor (13).
  20. Motor vehicle door lock according to Claim 19, characterized in that the electric drive motor (13) in the first function of the central locking drive (12), namely unlocking/locking, operates with less power than in the second function, namely for actuating the release element or the lock element (8).
  21. Motor vehicle door lock according to Claim 20, characterized in that the electric drive motor (13) in the first function is triggered at a lower voltage than in the second function, in particular at approximately 8 V compared to approximately 12 V.
EP01974009A 2000-09-07 2001-09-05 Motor vehicle doorlock with combined central locking and opening actuator Expired - Lifetime EP1317596B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE10044350 2000-09-07
DE10044350 2000-09-07
DE10126290 2001-05-29
DE10126290 2001-05-29
DE10139975 2001-08-21
DE10139975A DE10139975A1 (en) 2000-09-07 2001-08-21 Vehicle door lock, with a central locking system, has a linkage which can be operated mechanically from the door handle for normal use and especially in an emergency
PCT/DE2001/003397 WO2002020925A1 (en) 2000-09-07 2001-09-05 Motor vehicle doorlock with combined central locking and opening actuator

Publications (2)

Publication Number Publication Date
EP1317596A1 EP1317596A1 (en) 2003-06-11
EP1317596B1 true EP1317596B1 (en) 2006-11-22

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ID=27214057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01974009A Expired - Lifetime EP1317596B1 (en) 2000-09-07 2001-09-05 Motor vehicle doorlock with combined central locking and opening actuator

Country Status (4)

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US (1) US6932393B2 (en)
EP (1) EP1317596B1 (en)
DE (1) DE50111505D1 (en)
WO (1) WO2002020925A1 (en)

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US6932393B2 (en) 2005-08-23
EP1317596A1 (en) 2003-06-11
US20030116977A1 (en) 2003-06-26
WO2002020925A1 (en) 2002-03-14
DE50111505D1 (en) 2007-01-04

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